If you use Logitech's Unifying Receiver on Linux check out the open source 'Solaar' app. It makes it easier to pair and manage wireless keyboard and mice.
Having trouble making your Xbox 360 Controller work on Linux? This-depth guide shows you how to use the free xbxdrv to get up and running.
Linux users of Logitech's Performance Mouse MX are asking the hardware company to introduce proper Linux support for the high-end product. "I recently purchased a Logitech Performance Mouse MX, and I love it." writes Linux user atarian88 on the Logitech support forms. "It feels just right in the hand, and it has so much potential. Note the use of the word "potential"; the mouse could be so much better under my operating system of choice."